In this article we propose a model-free diagnostic for single-peakedness (unimodality) of item responses. Presuming a unidimensional unfolding scale and a given item ordering, we approximate item response functions of all items based on ordered conditional means (OCM). The proposed OCM methodology is based on Thurstone & Chave's (1929) criterion of irrelevance, which is a graphical, exploratory...

This essay is designed to call into question the current boomlet in policy and academic circles for social capital. Social capital has become an explanation for an array of domestic problems in the United States as well as for understanding issues of third world development. However, there is strong reason to ask whether the rise in interest in social capital is due to its demonstrated strength...

We establish an inverse relationship between family ties, generalized trust and political participation. The more individuals rely on the family as a provider of services, insurance, transfer of resources, the lower is civic engagement and political participation. The latter, together with trust, are part of what is known as social capital, therefore in this paper we contribute to the investiga...

The extraordinary (unplanned) review of clinical privileges is the means by which an organisation can manage specific complaints about individual practitioners' clinical competence that require immediate investigation. To date, the extraordinary review of clinical privileges for doctors and dentists has not been the subject of much research and there is a pressing need for the evaluation and re...

panies to acquire in-house binding and finishing equipment. However, growth in demand for specialized bindery workers who assist skilled bookbinders will be slowed as binding machinery continues to become more efficient. New technology requires a considerable investment in capital expenditures and employee training; therefore, computer skills and mechanical aptitude are increasingly important. ...

The general research question is: To what extent can the use of an Internet Café create social capital in a local community? In more detail: Does the use of an IT-Café lead to more social contacts? How can it provide community members with support and trust and generate community solidarity? Who are the users of the Café and what is it used for? Can usage of an IT-Café facilitate co-operation a...